The Grant Vortex Pro external sealed system kit includes an expansion vessel, the size of which varies, an automatic air vent, a pressure relief valve and a circulating pump. A filling loop and pressure gauge are also supplied as part of the kit. These can be fitted within the module casing, or ideally in a convenient site within the building, located between the cold main and the central heating return.
Pre assembled kit
Converts A standard Vortex external 15-21 boiler into a sealed system module
Can be fitted within the module casing or within the building
Part of an award winning range
Technical specification
Years Guaranteed1System SuitabilityOilHeight210 mmRange DescriptionVortex ProManufacturer Model NoVTXOMSSKIT21Brand NameGrant
Reviews
Grant Vortex Pro External Sealed System Kit 15 KW to 21 KW VTXOMSSKIT21